Date: Sat, 4 Mar 2023 09:12:54 GMT From: Dmitry Chagin <dchagin@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 945a7f0d21a0 - main - linux(4): Assert that the FreeBSD size of struct sockaddr is equal to Linux Message-ID: <202303040912.3249Csks079024@gitrepo.freebsd.org>
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The branch main has been updated by dchagin: URL: https://cgit.FreeBSD.org/src/commit/?id=945a7f0d21a0bcbcce3f308e080f54dfb7da54b1 commit 945a7f0d21a0bcbcce3f308e080f54dfb7da54b1 Author: Dmitry Chagin <dchagin@FreeBSD.org> AuthorDate: 2023-03-04 09:11:39 +0000 Commit: Dmitry Chagin <dchagin@FreeBSD.org> CommitDate: 2023-03-04 09:11:39 +0000 linux(4): Assert that the FreeBSD size of struct sockaddr is equal to Linux Our code depends on the fact that the size of struct sockaddr and the size of sa_data is equal between FreeBSD and Linux. --- sys/compat/linux/linux.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/sys/compat/linux/linux.c b/sys/compat/linux/linux.c index a4df46d7f9a7..53a874ebfab7 100644 --- a/sys/compat/linux/linux.c +++ b/sys/compat/linux/linux.c @@ -57,6 +57,10 @@ __FBSDID("$FreeBSD$"); #include <compat/linux/linux_util.h> _Static_assert(LINUX_IFNAMSIZ == IFNAMSIZ, "Linux IFNAMSIZ"); +_Static_assert(sizeof(struct sockaddr) == sizeof(struct l_sockaddr), + "Linux struct sockaddr size"); +_Static_assert(offsetof(struct sockaddr, sa_data) == + offsetof(struct l_sockaddr, sa_data), "Linux struct sockaddr layout"); static bool use_real_ifnames = false; SYSCTL_BOOL(_compat_linux, OID_AUTO, use_real_ifnames, CTLFLAG_RWTUN,
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